package com.he.config;

import org.apache.shiro.spring.web.ShiroFilterFactoryBean;
import org.apache.shiro.web.mgt.DefaultWebSecurityManager;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.Map;

@Configuration
public class ShiroConfig {

    //ShiroFilterFactoryBean 第三步
    @Bean
    public ShiroFilterFactoryBean getShiroFilterFactoryBean(@Qualifier("securityManager")DefaultWebSecurityManager defaultWebSecurityManager){
        ShiroFilterFactoryBean bean = new ShiroFilterFactoryBean();
        //设置安全管理器
        bean.setSecurityManager(defaultWebSecurityManager);
        //添加shiro的内置过滤器

        /*
        anon：无需认证可以访问
        authc：必须认证才能访问
        user：必须拥有 记住我 功能才能用
        perms：拥有对某个资源的权限才能访问
        role：拥有某个角色权限才能访问
         */

        Map<String, String> filterMap = new LinkedHashMap<>();
        //filterMap.put("/user/add","anon");
        filterMap.put("/user/*","authc");
        bean.setFilterChainDefinitionMap(filterMap);
        //设置登录的请求
        bean.setLoginUrl("/toLogin");
        return bean;
    }

    //DefaultWebSecurityManager 第二步
    @Bean(name ="securityManager" )
    public DefaultWebSecurityManager getDefaultWebSecurityManager(@Qualifier("userRealm") UserRealm userRealm){
        DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager();
        //关联userRealm
        securityManager.setRealm(userRealm);
        return securityManager;
    }

    //创建realm对象，需要自定义 第一步
    @Bean
    public UserRealm userRealm(){
        return new UserRealm();
    }
}
